美联社报道，联合国儿童基金会（UNICEF）、联合国难民署（UN Refugee Agency）和最近遭大幅裁撤的美国国际开发总署（USAID）仅存的部门和办公室，都收到这份问卷。

UNITED NATIONS, March 7 (Xinhua) -- An attack on a UN helicopter on Friday in South Sudan killed a crewmember and several South Sudanese military personnel, including a general, a UN spokesman said.